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346657 (2008 YW2)
Classification: Main-belt Asteroid          SPK-ID: 2346657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05659949410066254 5.5462e-08  
a 2.772284487728392 3.7127e-08 au
q 2.615374588219851 1.4378e-07 au
i 4.604369241129119 7.2911e-06 deg
node 67.51937018069162 7.066e-05 deg
peri 34.94970192199491 9.5804e-05 deg
M 169.2030080439133 6.4335e-05 deg
tp 2458208.070384696333
(2018-Mar-30.57038470)
0.00030217 TDB
period 1685.990484491166
4.62
3.3868e-05
9.273e-08
d
yr
n .213524336769106 4.2893e-09 deg/d
Q 2.929194387236933 3.9228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      5640 days (15.44 yr)  
   first obs. used      2003-12-18  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:20:26  

Additional Information
 Earth MOID = 1.63385 au 
 Jupiter MOID = 2.15243 au 
 T_jup = 3.330 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO434183  

346657 (2008 YW2)          Discovered 2008-Dec-22 by Lowe, A. at Mayhill
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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